Rectus Capitis Posterior Major: Difference between revisions
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'''Original Editor '''- | '''Original Editor '''- [[Evan Thomas|Evan Thomas]] | ||
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== Description == | == Description == | ||
The fibers of this muscle skip the atlas and attach below to the spinous process of the axis. Above they fan out, attaching to the lateral part of the inferior nuchal line of the occiput (and to the bone inferior to the line), lateral to the rectus capitis posterior minor. It is also known as the Greater posterior rectus capitis, and comprises one of the posterosuperior boarder of the suboccipital triangle. | |||
== Insertion == | == Proximal Attachment (Origin) == | ||
Tip of the spinous process of the axis. | |||
== Distal Attachment (Insertion) == | |||
Lateral aspect of the inferior nuchal line of the occiput. | |||
== Nerve Supply == | == Nerve Supply == | ||
Suboccipital nerve or dorsal ramus of cervical spinal nerve (C1). | |||
== Blood Supply == | == Blood Supply == | ||
The muscle receives its blood supply from the vertebral artery and the deep descending branch of the occipital artery. | |||
== Action == | == Action == | ||
Ipsilateral rotation of the atlantoaxial joint. | |||
== Function == | == Function == | ||
== | Likely a postural muscle that monitors the position of the head. | ||
== Trigger Point Referral Pattern == | |||
== Recent Related Research (from [http://www.ncbi.nlm.nih.gov/pubmed/ Pubmed]) == | == Recent Related Research (from [http://www.ncbi.nlm.nih.gov/pubmed/ Pubmed]) == | ||
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== References == | == References == | ||
<references /> | <references /> | ||
Revision as of 17:16, 21 February 2014
Original Editor - Evan Thomas
Lead Editors - Evan Thomas, Vidya Acharya, Tarina van der Stockt, WikiSysop and Kim Jackson
Description[edit | edit source]
The fibers of this muscle skip the atlas and attach below to the spinous process of the axis. Above they fan out, attaching to the lateral part of the inferior nuchal line of the occiput (and to the bone inferior to the line), lateral to the rectus capitis posterior minor. It is also known as the Greater posterior rectus capitis, and comprises one of the posterosuperior boarder of the suboccipital triangle.
Proximal Attachment (Origin)[edit | edit source]
Tip of the spinous process of the axis.
Distal Attachment (Insertion)[edit | edit source]
Lateral aspect of the inferior nuchal line of the occiput.
Nerve Supply[edit | edit source]
Suboccipital nerve or dorsal ramus of cervical spinal nerve (C1).
Blood Supply[edit | edit source]
The muscle receives its blood supply from the vertebral artery and the deep descending branch of the occipital artery.
Action[edit | edit source]
Ipsilateral rotation of the atlantoaxial joint.
Function[edit | edit source]
Likely a postural muscle that monitors the position of the head.
Trigger Point Referral Pattern[edit | edit source]
Recent Related Research (from Pubmed)[edit | edit source]
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